科学不仅仅是关于发现，更是关于理解的快乐。
"The only limit to our realization of tomorrow will be our doubts of today."
The person who tries to live alone will not succeed as a human being. His heart withers if it does not answer another heart. His mind shrinks away if he hears only the echoes of his own thoughts and finds no other inspiration.
"The advantage of poetry over life is that poetry, if it is sharp enough, may last."
